Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method for selectively recalling, using a radio communications network management server, at least one motor vehicle from a collection of motor vehicles, said vehicle comprising at least one piece of equipment of a predetermined type, a wired communications network and an electronic control unit which is configured to receive from said equipment, via said wired communications network, a plurality of data pertaining to a plurality of parameters relating to the equipment, and a communications module configured to collect, from the electronic control unit, via the wired communications network, at least one data item from said plurality of data and communicate the at least one data item, over a radio communications link, to a mobile node of said radio communications network, said method comprising: selecting at least one parameter from among the plurality of parameters, sending to the communications module, via the mobile node, a message indicating the parameter selected, collecting from the electronic control unit at least one data item relating to said selected parameter, this collection being performed by the communications module, via the wired communications network, sending the collected data item from the communications module to the mobile node, sending the sent data item by the mobile node, to the management server, analyzing, by the management server, the data item received, detecting a defect with the piece of equipment on the basis of the data item analyzed by estimating, from the data item received, a mean life remaining until the piece of equipment breaks down or, alternatively, a margin until a maximum tolerable wear limit is reached, or alternatively still, a statistical position of a command within the tolerated interval in the design of the equipment, determining a subset of vehicles comprising the piece of equipment for which a defect has been detected, in order to proceed with recalling these, and sending, by the management server, a selective recall notice.
This invention describes a method for selectively recalling vehicles using a central management server. Each vehicle includes equipment, a wired network, an Electronic Control Unit (ECU) receiving equipment data, and a communications module. The communications module collects data from the ECU and sends it to a mobile node via a radio link. The method involves: 1) The server selecting a parameter related to vehicle equipment. 2) Sending a request for this parameter's data to the vehicle's communications module via a mobile node. 3) The communications module collects the requested data from the ECU. 4) This data is sent via the mobile node to the management server. 5) The server analyzes the data to detect equipment defects by estimating remaining life, wear limits, or command positioning. 6) The server identifies affected vehicles for recall. 7) Finally, the server sends a selective recall notice.
2. The method as claimed in claim 1 , wherein the selection step is performed by the management server and the method comprises a step in which the management server sends the mobile node a request message containing the selected parameter.
This invention describes a method for selectively recalling vehicles using a central management server. Each vehicle includes equipment, a wired network, an Electronic Control Unit (ECU) receiving equipment data, and a communications module that collects data from the ECU and sends it to a mobile node via a radio link. The method involves: The management server selecting at least one parameter related to vehicle equipment, and then sending a request message containing the selected parameter to the mobile node. The mobile node then forwards this message to the vehicle's communications module. The communications module collects the requested data from the ECU. This collected data is sent from the communications module, via the mobile node, to the management server. The server analyzes the data to detect equipment defects by estimating remaining life, wear limits, or command positioning. Finally, the server identifies affected vehicles for recall and sends a selective recall notice.
3. A management server of a radio communications network for the selective recall of at least one motor vehicle, from a set of motor vehicles, said vehicle comprising at least one piece of equipment for executing functions of the vehicle, a wired communications network, an electronic control unit which is configured to receive from said equipment, via said wired communications network, a plurality of data pertaining to a plurality of parameters relating to the equipment, and a communications module including a reception submodule configured to receive, from a mobile node over a radio communications link, a message indicating at least one parameter selected from the plurality of parameters, a collection submodule configured to collect, from the electronic control unit, via the wired communications network, at least one data item from said plurality of data, and a sending submodule configured to send the collected data item to the mobile node, said management server comprising: a selection module configured to select at least one parameter from among the plurality of parameters, a sending module configured to send a message containing the selected parameter to a mobile node of said radio communications network, a reception module configured to receive at least one data item pertaining to at least one parameter of at least one piece of equipment, sent by said mobile node, an analysis module configured to analyze the data item received, a detection module for detecting a defect with the piece of equipment on the basis of the data item analyzed by estimating, from the data item received, a mean life remaining until the equipment item breaks down or, alternatively, a margin until a maximum tolerable wear limit is reached, or alternatively still, a statistical position of a command within the tolerated interval in the design of the equipment, a determination module configured for determining a subset of vehicles comprising the same type of equipment as that for which the defect has been detected, in order to proceed with recalling these, and a transmission module configured to send a selective recall notice out via the radio communications network.
This invention describes a management server for a radio communications network, designed for selectively recalling motor vehicles. Each vehicle interacts with the server via a mobile node and has equipment, a wired network, an Electronic Control Unit (ECU) that receives equipment data, and a communications module. The communications module can receive parameter requests from a mobile node, collect data from the ECU, and send it back to the mobile node. The management server comprises several modules: a selection module to choose parameters; a sending module to send these parameters to a mobile node; a reception module to get vehicle data from the mobile node; an analysis module to process this data; a detection module to identify equipment defects by estimating remaining life, wear limits, or command positioning; a determination module to identify affected vehicles for recall; and a transmission module to send out the selective recall notice.
4. A system for selectively recalling at least one motor vehicle from a set of motor vehicles, said system comprising: at least one motor vehicle comprising at least one piece of equipment for executing functions of the vehicle, the at least one piece of equipment associated with a plurality of data pertaining to a plurality of parameters relating to the equipment, a wired communications network, and an electronic control unit connected to said equipment via said wired communications network so as to receive said plurality of data, at least one communications module, connected removably to said wired communications network, the communication module comprising: a reception submodule configured to receive, from a mobile node over a radio communications link, a message indicating at least one parameter selected from the plurality of parameters, a collection submodule configured to collect, from the electronic control unit, via the wired communications network, at least one data item from said plurality of data, and a sending submodule configured to send the collected data item to the mobile node, wherein the communication module is in the form of a removable electronic key that can be connected removably to the wired communications network of the vehicle, and wherein the electronic key is programmable so that both public data, that is freely accessible to a user of the vehicle, and private data, accessible only to the manufacturer of the vehicle, can both be collected, and at least one management server including: a selection module configured to select at least one parameter from among the plurality of parameters, a sending module configured to send a message containing the selected parameter to a mobile node of said radio communications network, a reception module configured to receive at least one data item pertaining to at least one parameter of at least one piece of equipment, sent by said mobile node, an analysis module configured to analyze the data item received, a detection module for detecting a defect with the piece of equipment on the basis of the data item analyzed by estimating, from the data item received, a mean life remaining until the equipment item breaks down or, alternatively, a margin until a maximum tolerable wear limit is reached, or alternatively still, a statistical position of a command within the tolerated interval in the design of the equipment, a determination module configured for determining a subset of vehicles comprising the same type of equipment as that for which the defect has been detected, in order to proceed with recalling these, and a transmission module configured to send a selective recall notice out via the radio communications network.
This invention describes a system for selectively recalling motor vehicles. Each vehicle includes equipment, a wired network, and an Electronic Control Unit (ECU) receiving equipment data. A removable electronic key acts as a communications module, programmable for both public and private data collection. This key receives parameter requests from a mobile node, collects data from the ECU, and sends it back to the mobile node. The system also features a management server with distinct modules: a selection module for choosing parameters; a sending module to dispatch requests to a mobile node; a reception module for vehicle data; an analysis module; a detection module for identifying equipment defects (by estimating remaining life, wear limits, or command positioning); a determination module for identifying affected vehicles; and a transmission module for sending recall notices.
Unknown
August 4, 2020
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